/* Shared styles for VØID landing — RU/EN, dark only. */

:root {
    color-scheme: dark;
    --bg: #0A0A0A;
    --bg-raised: #0E0E0E;
    --fg: #F2F2F0;
    --fg-dim: #8C8C88;
    --fg-dimmer: #6E6E6A;
    --line: #1F1F1F;
    --line-strong: #2A2A2A;
    --surface: #141414;
    --accent: #C8F25A;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
    font: 16px/1.5 'Inter Tight', -apple-system, system-ui, sans-serif;
    min-height: 100vh;
    padding-left: max(0px, env(safe-area-inset-left, 0px));
    padding-right: max(0px, env(safe-area-inset-right, 0px));
}

a { color: var(--fg); }
a:hover { color: #FFFFFF; }

button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: transparent;
    color: inherit;
}

input {
    font: inherit;
    color: var(--fg);
    background: var(--bg);
}

details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details[open] .chev { transform: rotate(45deg); }

[hidden] { display: none !important; }

/* Shared nav */
.topnav {
    max-width: 1120px;
    margin: 0 auto;
    padding: 28px 32px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 14px;
}
.brand {
    text-decoration: none;
    font-weight: 500;
    font-size: 17px;
    letter-spacing: 0.16em;
    color: var(--fg);
}
.topnav nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 28px;
}
.topnav nav a {
    text-decoration: none;
    color: var(--fg-dim);
}
.topnav nav a.active { color: var(--fg); }

.lang-toggle {
    display: flex;
    gap: 2px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    padding: 2px;
}
.lang-toggle button {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 12px;
    min-width: 44px;
    min-height: 36px;
    padding: 0 10px;
    border-radius: 6px;
    background: transparent;
    color: var(--fg-dim);
}
.lang-toggle button[aria-pressed="true"] {
    background: var(--fg);
    color: var(--bg);
}

.cta-solid {
    text-decoration: none;
    color: var(--bg);
    background: var(--fg);
    font-weight: 500;
    padding: 11px 18px;
    border-radius: 8px;
}
.cta-solid.lg { padding: 15px 24px; font-size: 15px; }

.cta-ghost {
    text-decoration: none;
    color: var(--fg);
    font-size: 15px;
    padding: 14px 24px;
    border-radius: 8px;
    border: 1px solid var(--line-strong);
}

footer.site-footer {
    max-width: 1120px;
    margin: 0 auto;
    padding: 32px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 16px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--fg-dimmer);
}
footer.site-footer span.disclaimer { max-width: 640px; }

.err { color: #FF7A7A; }